Soap ejecting spray head



INVENTOR.

AT TORNEY-S.

M. M. HENNESSY SOAP EJECTING SPRAY HEAD Filed May s1, 1954 Jan. 21,1936.

rea-ered Jen. 21, uns` e .2,023,214 l son Ensor-ING SPRAY umn Mark M.Hennessy, Wauwatosa, Wis., assignor to Durant Manufacturing Co.,Milwaukee, Wis., a corporation of Wisconsin v Application Mey si, 1934,serial No. '128,311

i 9 claims. (ci. zes-s4) This invention relates to improvements in soapFig. 4 iS a Similar View Showing the 110511710118 0f ejecting sprayheads the parts when the piston has been moved suf- Heretofore, beautyparlor Operators and barciently far to cause discharge of soap from thebers, when shampooing a patrons hair, have HOZrle; and

5 been forced to utilize soap from a separate bottle Fig- 5 iS a SimilarView ShOWiug the position of 5 or cake; and it has been necessary to rstapply the Darifs 91S the piston iS being returned to northe soap, thenreplace the bottle or cake ofthe mal position latter, and then pick upthe water spray head. Referring mOre Particularly t0 the drawing. Thisinconvenient change must be made several the main housing, indicated bythe numeral 3. iS

i 4u'lsuTlzD STATES PATENT orner;

vm times before the shampoo is computed. 1n the preferably substantiallybell shaped, its lower 10 application of F. E. Pearl, Serial No.712,703, end being normally ClOSed by a diShed Diete 9 there isdisclosed a spray head having means fOrmed With a plurality 0f aperturesI0 and with embodied therein for discharging soap when dee largercentral opening Il locatedin a depression sired, said means including avalve for control- |2 The apertures i0 are fOr the discharge of ling thel'ow of soap by gravity. water in shower form, and the aperture II isfor X15 It is one of the objects of the present inventhe reception 0f aSOaD-el'eeiing DOZZle I3. Seid tion to improve upon the structure of theabovenozzle being enlarged 0n the inside Of the Pilate,V mentionedapplication by providing novel piston as at I4, andbeing exteriorlythreaded. operated means for forcibly ejecting the soap. TheV peripheraledge of the plate ilis anged A further object of the invention is toprovide around the ared, lower edge I5 of the housing, 20 in a device asabove described means for autoas at I6, and the parts are then pressedtogether matically breaking the vacuum which is created t0 maintain theplate 9 Virinly in position. in the soap measuring chamber when thepiston At an intermediate point within the housing is is being returnedto normal position after soap ahorizontal partition I'I having acentralopening has been ejected. I8 and an additional opening I9. A water inlet25 A further object of the invention is to provide pipe 20 has it lowerend suitably amxe'd to the means for adjusting the length of the strokeof partition I'liwith the opening of the pipe in regthe piston to permitdischarge of soapin measistration with the opening I9 of the partition.ured amounts. bThe upper end of the pipe 2li extends thru the i A stillfurther object of the invention is to proupper end of the housing 8 andis formed with 30 vide in a soap ejecting spray head having a nozzle ashoulder 2| and a `nipple 22 for the reception of located in theapertured water spray plate, means one end of rubber tubing or the like23. Below the for preventing soap from said nozzle from conshoulder 2Ithe pipe is preferably threaded for tacting the plate to clog theapertures thereof. cooperation with a. lock nut 24.

A further object of the invention is to provide The upper end of thehousing 8 is formed with 35 a device of the class described whichissimple to an opening 25 which is in alignment with the illi with soap,simple to operate, and well adapted opening I8 of the partition I1. Asleeve 26 ex- !or the purpose specified. tends between the openings I8and 25 and has a With the above and other Objects in View, the lowerportion of decreased exterior diameter ex- 40 invention consists of theimproved soap ejecting tending thru the opening I8 and formed to co- 40spray head and all its parts and combinations as operate with thethreaded enlarged portion u or set forth in the claims and allequivalents therethe nozzle I3. The upper end of the sleeve 26 is of.also of decreased exterior diameter and pro- In the aCeOmDanl/'ingdrawing illustrating one jects exteriorly of the opening 25, saidproject- Complete embodiment 0f the preferred fOrm 0f ing portion beingthreaded to receive a nut 21. 45

the invention, in which the same reference nu- A suitable sealing ring28 may surround the merals designate the -same parts in all of theIsleeve beneath the partition I1.

views: r, A cap 28 is threaded on the upper'end of the Fig. 1 is avertical, sectional view thru the sleeve 26, and said cap is formed witha dependspray head; ing guiding sleeve 30 within which a plunger 3l 50Fig. 2 is a cross-sectional view taken on line is slidable, said plungerbeing formedv with a 2-2 of Fig. 1; suitable button 32 on its upper end.A packing Fig. 3 is a fragmentary, vertical, sectional view nut 33surrounds the plunger 3| below the guidshowing the position of thepiston at the start of `ing sleeve and is threaded on the latter.

its downward stroke; A piston 3| is movable in the sleeve 26, and 55 55the lower end of the plunger 3| is threaded in the upper end of saidpiston, there being a nut 35 for locking the plunger in fixed positionwith respect to the piston. By loosening said nut, the length of thestroke of the plunger may be varied.

The piston 34 is provided near its upper end with a peripheral recess36, there being a transverse duct 31 extending from said peripheralrecess to a central, longitudinal duct 38. The latter duct communicateswith an enlarged chamber 39 for a ball valve 40, said ball beingnormally held in closing position with respect to the lower end of theduct 38 by a spring 4|, the lower end of the spring being supported by anut 42 having an aperture 43 therein.

In the lower end of the sleeve 26 is a chamber 44 for a ball valve 45.Said chamber communicates with the soap-ejecting nozzle I3. A spring 46within said chamber normally holds the ball valve 45 in closingposition. The upper end of the chamber 44 above the valve communicateswith an enlarged soap measuring chamber 41,

there being a spring 48 disposed within said chamber against which thepiston is adapted to act.

Above the partition I1 the sleeve 26 is formed with a port 49 whichpermits soap from the soap reservoir 50 to ow into the soap measuringcharnber 41 when the piston is in the position of Fig. l to expose saidport. Near its upper end the sleeve 26 is formed with over-flow ports 5|for a purpose to be hereinafter described.

To ll the device with soap the cap 29 is unthreaded to permit Withdrawalof the plunger and piston. Liquid soap may then be poured into thesleeve 26. Said soap will rst ll the soap measuring chamber 41 and willthen over-now thru the port 49 and the over-flow ports 5| into the soapstorage chamber 50. It is desirable to fill said chamber 50 to a levelbeneath the overflow ports 5|, as shown in the drawing, so that acertain amount of air is present in the upper portion of the casing. Thepiston is then replaced in the sleeve and the nut 29 threaded in place.

In use, the device is held over the patrons head in the usual manner,the tube 23 being connected to a suitable supply of water. When thewater is turned on, it will flow thru said tube into the conduit 20 andinto the chamber below the partition I1. The water will then emerge inthe form of a spray from the apertures |0 of the "Water spray plate 9.After the patrons head has been suciently moistened, the water may beshut oft' and the plunger 3| depressed to cause ejection of a supply ofsoap from the nozzle |3. Before the plunger is depressed, the piston andvalves are in the position shown in Fig. l, the

soap measuring chamber 41 being lled with liquid soap. When the pistonhas been moved sufficiently far to close the port 49, the parts will bein the position shown in Fig. 3, with the ball valve 45 still in closingposition. Upon further movement, however, enough pressure will becreated on the soap to cause opening of the ball valve 45 againstthe'tension of the spring 46, as shown in Fig. '4. 'I'his willnecessarily cause ejection of soap. After soap has been ejected, thespring 48 `will cause automatic return of the plunger to normalposition. However, said action will set up a vacuum in the soap`measuring chamber, and ordinarily this vacuum would retard the returnof the piston. To eliminate this trouble, an automatic air intake hasbeen provided. When this vacuum is created as the plunger is beingreturned, the vacuum will cause opening of the ball valve 49, as shownin Fig. 5. This will admit air from the peripheral recess 36 thru thetransverse port 31, longitudinal port 36, and chamber 39 to break thevacuum within the soap measuring chamber 41 and thereby permit quickreturn of the plunger and piston to normal position. The peripheralrecess 36 receives its supply of air thru leakage along the side of thepiston from the space thereabove, and the air is supplied to said spacefrom the air above the soap level in the soap chamber thru the medium ofthe ports 5|.

As before mentioned, adjustment of the length of the stroke of theplunger may be readily effected by loosening of the nut 35 and turningof the plunger one way or the other, as desired. This will permitmeasuring of theamount of soap to be discharged.

As the soap is discharged from the nozzle I3. if the end of said nozzlewere in contact with the plate 9, soap would be likely to contact theplate and flow over the surface thereof to clog the Water apertures.Accordingly, the nozzle is so formed as to project from the centraldepression I2 to eliminate this possibility.

As in the application of F. E. Pearl, before mentioned, it will be seenthat the water conduit 29 first passes thru the soap storage chamber towarm the latter so that it will be at such temperature as to not subjectthe patron to the discomfort of temperature differences between the soapand water. Furthermore, this warming of the soap tends to permit freeflow thereof.

From the above it may readily be seen that a. very positive andeffective means has been provided for forcibly ejecting soap from awater spray head, and it may further be seen that the action of thepiston is positive, even in the return direction, due to the provisionof means for breaking the vacuum therein.

Altho only one form of the invention has been shown and described, it isobvious that various changes and modifications may be made withoutdeparting from the spirit of the invention; and it is to be understoodthat all such changes are contemplated as may come within the scope ofthe claims.

What I claim is:

1. A soap ejecting spray head comprising a chamber within the casingsealed from the water I within the casing and communicating with saidnozzle, and piston means for controlling the discharge of soapindependently of the water from said soap chamber through said nozzle.

2. A soap ejecting spray head comprising a casing having one endapertured, means for admitting water to the casing for discharge in theform of a spray from said apertures, a soap nozzle in the apertured endof the casing, a soap storage chamber in the casing, a conduit betweenthe soap nozzle and the soap storage chamber, a pressure actuated valvecontrolling the ow of soap from said conduit to the nozzle, and a pistonmovable in said conduit to cause pressure upon the soap therein to opensaid valve and permit ejection of said soap.

3. A soap ejecting spray head comprising a casing having one endapertured, means for admitting water to the casing for discharge in theform ofa spray from said apertures, a soap nozzle in the apertured endof the casing, a soap storage chamber in the casing, a conduit betweenthe soap nozzle and the soap storage chamber, a pressure actuated valvecontrolling the ow of soap from said conduit to the nozzle, and a pistonmovable in said conduit, said piston being so positioned as to rst shutoff communication between the conduit and the soap storage chamber whenthe piston is depressed and then to cause pressure upon the soap in theconduit and opening of the valve to permit ejection of said soap.

4. A soap ejecting spray head comprising a casing having one endapertured, means for admitting water to the casing for discharge in theform of a spray from said apertures, a soapnozzle in the apertured endof the casing, a soap storage chamber in the casing, a conduit betweenthe soap nozzle and the soap storage chamber, a pressure actuated valvecontrolling the iiow of soap from said conduit to the nozzle, a pistonmovable in said conduit to cause pressure upon the soap therein to opensaid valve and permit ejection of said soap, said piston having an airduct therein, yielding means for returning said piston to normalposition, and an automatically operable valve in connection with saidair duct for admitting air to the conduit to break the vacuum thereinwhen the piston is being returned to normal position.

5. A soap ejecting spray head comprising a casing having one endapertured, means forl admitting water to the casing for discharge in theform of a spray from said apertures, a soap nozzle in said apertured endof the casing, and means for causing independent discharge of soap fromsaid nozzle, the apertured end of the casing prevent soap fromcontacting the casing end and clogging the apertures thereof.

6. A soap ejecting spray head comprising a casing having one endapertured, means for admitting water to the casing for discharge in theform of a spray from said apertures, a soap nozzle in said end of thecasing, a sleeve extending from said soap nozzle to the opposite end voithe casing and there having an end opening communicating with theexterior, a piston operable in said sleeve, a plunger extending fromsaid piston through the open end of the sleeve, means through which saidplunger is slidable for removably closing the open end of the sleeve, asoap storage chamber in the casing having a port in communication with aportion of the sleeve to feed soap thereto, said port being sopositioned as to be ,closed by the piston upon movement of the latter,and a pressure operated valve controlling the ow of soap from the soapnozzle.

7. A soap ejecting spray head Lcomprising'a casing having one endapertured, means for admitting water to the casing for discharge in theform of a spray from said apertures, a soap nozzle in said end of thecasing, a sleeve extending from said soap nozzle to the opposite end ofthe casing and there having an end opening communicating with theexterior, a piston operableV in said sleeve, a plunger extending fromsaid piston through the open end of the sleeve, means through which saidplunger is slidable for removably closing the open end of the sleeve, asoap storage chamber in the casing having a port in communication with aportion of the sleeve to feed soap thereto, said port being sopositioned as to be closed by the piston upon movement of the latter,apressure operated valve controlling the ilow of soap from the soapnozzle, yielding means for returning said piston to normal position, andmeans for automatically breaking the vacuum in the sleeve during saidreturn.

8. A` soap` ejecting spray head comprising a casing having one endapertured, means for admitting water to the casing for, discharge in theform of a spray from said apertures, a soap nozzle in said end of thecasing, a sleeve extending from said soap nozzle to the opposite end ofthe'casing and there having an end opening communicating with theexterior, a pistonoperable in said sleeve, a plunger extending from saidpiston through the open end of the sleeve, means through which saidplunger is slidable for removably closing the open end of the sleeve, asoap storage chamber in the casing having a port in communicationwith aportion of the sleeve to feed soap thereto, said port being sopositioned'as to be closed by the piston upon movement oi! the latter, apressure operated valve controlling the flow of soap from the soapnozzle, and means in connection with the plunger for varying the lengthof the stroke of the piston to provide for the ejection of measuredamounts of soap.

9. A soap ejecting spray head comprising a casing having one endapertured, means for admitting Water to the casing for discharge in theform of a spray from said apertures, a soap nozzle in said end of thecasing, a sleeve extending from said soap nozzle to the opposite end ofthe casing and there vhaving an end opening communicating with theexterior, a piston operable in said sleeve, a plunger extending fromsaid piston through the open end of the sleeve, means through which saidplunger is slidable for removably closing the open end of the sleeve, asoap storage chamber in the casing having a port in communication with aportion of the sleeve to feed soap thereto, said port being sopositioned as to be closed by the piston upon movement of the latter,and a pressure operated valve controlling the iiow of soap from the soapnozzle, said'plunger and piston being removable from the sleeve toprovide for lling of the soap storage chamber from the open end of thesleeve.

MARK M. HENNEssY.

